+A **Validation Set** is a distinct portion of the data used to assess a [Machine Learning](/wiki/machine_learning) model's performance during its training phase. It helps tune hyperparameters and detect [Overfitting](/wiki/overfitting), guiding the model towards optimal generalization before final evaluation.
+## See also
+- [Training Set](/wiki/training_set)
+- [Test Set](/wiki/test_set)
+- [Hyperparameter](/wiki/hyperparameter)
... 1 more lines